/*
 *   
 *
 * Copyright  1990-2009 Sun Microsystems, Inc. All Rights Reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License version
 * 2 only, as published by the Free Software Foundation.
 * 
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License version 2 for more details (a copy is
 * included at /legal/license.txt).
 * 
 * You should have received a copy of the GNU General Public License
 * version 2 along with this work; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA
 * 
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
 * Clara, CA 95054 or visit www.sun.com if you need additional
 * information or have any questions.
 */

/*
 * copysign(double x, double y)
 * copysign(x,y) returns a value with the magnitude of x and
 * with the sign bit of y.
 */

#include "incls/_precompiled.incl"
#include "incls/_JFP_lib_copysign.cpp.incl"

#if ENABLE_FLOAT

#ifdef __cplusplus
extern "C" {
#endif

double jvm_fplib_copysign(double x, double y) {
  jdouble_accessor acc;
  acc.double_value = x;
  acc.words[WORD_FOR_MSW_IN_DOUBLE] &= 0x7fffffff;
  acc.words[WORD_FOR_MSW_IN_DOUBLE] |= (__JHI(y) & 0x80000000);

  return acc.double_value;
}

#ifdef __cplusplus
}
#endif

#endif // ENABLE_FLOAT
